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→Legal Values
Valid range of values for -moz.opacity is from 0 to 1, where lesser equates to more transparency.
== Legal Values Usage ==The following units are valid for defining background-repeat: *repeat**The image is repeated both horizontally and vertically. *repeat-x**The image is repeated horizontally only. *repeat-y**The image is repeated vertically only. *no-repeat**The image is not repeated: only one copy of the image is drawn.
*Quick opacity change onMouseover:
<pre>
<IMG style="-moz-opacity:0.6" src="alta.gif" onMouseover="this.style.MozOpacity=1" onMouseout="this.style.MozOpacity=0.6">
</pre>
== Mozilla Recommended Values ==